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Finding the Fourth Proportional to 73,290.44, 101,140.84 and 41,458.64

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Solution

The fourth proportional to 73,290.44, 101,140.84 and 41,458.64 is: 57,212.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,290.44 : 101,140.84 = 41,458.64 : x
  2. Step 2: Convert to fraction form
    73,290.44/101,140.84 = 41,458.64/x
  3. Step 3: Cross multiply
    73,290.44x = 101,140.84 × 41,458.64
  4. Step 4: Simplify right side
    73,290.44x = 4,193,161,674.86
  5. Step 5: Solve for x
    x = 4,193,161,674.86/73,290.44
  6. Step 6: Final answer
    x = 57,212.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.